\documentclass{article}
\begin{filecontents}{mybib.bib}
	\begin{document}
	here is some text
	more text
	here
	\end{document}
\end{filecontents}
\begin{filecontents}{another.bib}
	\begin{document}
	some more text
	more text
	here
	\end{document}
\end{filecontents}

\begin{document}
\begin{myotherenvironment}
	some text goes here
	some text goes here
	some text goes here
	some text goes here
\end{myotherenvironment}

\end{document}
